grease in a rotary cutter gear box?

   / grease in a rotary cutter gear box? #61  
I have hundreds of hours on cutters with cornhead grease in them. It works great and does not leak through the seal. I have had to replace gearboxes with gearbox grease, but not with cornhead grease.
Would the same be true with 3ph post hole auger?
 
   / grease in a rotary cutter gear box? #63  
I have hundreds of hours on cutters with cornhead grease in them. It works great and does not leak through the seal. I have had to replace gearboxes with gearbox grease, but not with cornhead grease.
Thanks for your real world experiences.

With getting ready for hay coming today and tomorrow I had hold on bush hog gear box lube concerns but did find some OO weight gear lube at Tractor Supply Company at $5.99 a quart and dumped a quart the leaking master gear box and spun it up for a few minutes and liked how it looked.

I am going to this TSC OO option before I lose another gear box to a seal failure that I didn't catch. Changing out gear boxes gets harder with age in my case.
 
   / grease in a rotary cutter gear box? #65  
   / grease in a rotary cutter gear box? #66  
Cool I haven't cleaned that area yet.
When my wife raised draft horses (not now), hoof trimming were quite large and the pup would wait patiently for them. Much better than the commercially available stuff that a lot come from offshore.

Long gone, no horses and no cattle any more here.
 
   / grease in a rotary cutter gear box? #67  
More lube thoughts.

 
   / grease in a rotary cutter gear box? #68  
How can I tell what seal to order for my 3 point post hole auger gear box?

The only name or number on the gear box is in white paint "20430" and the plastic drive shaft guard says "via Guido Rosse 10 Pegognanga (MN) Italy". I bought it somewhat new 28 years ago ($250 :) but when I wore out the teeth on the auger TSC did not have matching teeth. I made some adaptations. The shaft is 1.5 inches in diameter, has an adapter to take a 2" auger. The seal appears to be about 2 1/4" in diameter where it seats and the hole it seals is 1 3/4". i.e to take it out a 1 3/4" washer fills the space from the bottom and barely covers the metal rim part while Rubber fills the space to the shaft. The only way to take out the seal is to push from the auger side since it sits in a little depression.

I think I bent the metal part. Though it looks fine, when I put in oil it pours out. I screwed up by opening the gear case and moving the shaft when I should have been looking at the sheer bolts ... :(

If I do get a new seal, how do I seat it without damaging it? It is a very tight fit metal to metal.

In the mean time, I am off for new sheer bolts, auger bolts (the bent!!!), zerk and 00 oil from TSC.
 
   / grease in a rotary cutter gear box? #69  
I would do an online search for that name and number
 
   / grease in a rotary cutter gear box? #70  
I would pull it and have it matched up at NAPA or similar place.

SR
 
 

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